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authorDaniel Golle <daniel@makrotopia.org>2022-09-09 05:00:57 +0100
committerDaniel Golle <daniel@makrotopia.org>2022-09-09 05:04:32 +0100
commit3020d9f8b4d6651662ed22cc87e542ca3e66b887 (patch)
tree2cec458f71594fd247348b5dad756ce5ea2505a3
parent545c6113c93bbf7de1b0e515141a4565f7e6cece (diff)
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kernel: mtk_sgmii: re-organize PCS link status reporting
Don't report speed in case link is down. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
-rw-r--r--target/linux/generic/pending-5.15/724-net-mtk_sgmii-implement-mtk_pcs_ops.patch10
1 files changed, 6 insertions, 4 deletions
diff --git a/target/linux/generic/pending-5.15/724-net-mtk_sgmii-implement-mtk_pcs_ops.patch b/target/linux/generic/pending-5.15/724-net-mtk_sgmii-implement-mtk_pcs_ops.patch
index 896f0169d2..cd97706658 100644
--- a/target/linux/generic/pending-5.15/724-net-mtk_sgmii-implement-mtk_pcs_ops.patch
+++ b/target/linux/generic/pending-5.15/724-net-mtk_sgmii-implement-mtk_pcs_ops.patch
@@ -15,7 +15,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c
+++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c
-@@ -122,10 +122,26 @@ static void mtk_pcs_link_up(struct phyli
+@@ -122,10 +122,28 @@ static void mtk_pcs_link_up(struct phyli
regmap_write(mpcs->regmap, SGMSYS_SGMII_MODE, val);
}
@@ -24,12 +24,14 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+ struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs);
+ unsigned int val;
+
-+ regmap_read(mpcs->regmap, mpcs->ana_rgc3, &val);
-+ state->speed = val & RG_PHY_SPEED_3_125G ? SPEED_2500 : SPEED_1000;
-+
+ regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &val);
+ state->an_complete = !!(val & SGMII_AN_COMPLETE);
+ state->link = !!(val & SGMII_LINK_STATYS);
++ if (!state->link)
++ return;
++
++ regmap_read(mpcs->regmap, mpcs->ana_rgc3, &val);
++ state->speed = val & RG_PHY_SPEED_3_125G ? SPEED_2500 : SPEED_1000;
+ state->duplex = DUPLEX_FULL;
+ state->pause = 0;
+}